unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  x:function(s:string;i:integer):string;
  ss:string;
begin
  @x:=GetProcAddress(GetModuleHandle(pchar(application.Exename)), 'get_plugin_info');
  if Assigned(x) then
  begin
    try
      ss:=x('abc',1);
      showmessage(ss);
    except
      showmessage('call method error');
    end;

  end
  else
  begin
    showmessage('call error');
  end;

end;

end.
